2105605113 has 8 divisors (see below), whose sum is σ = 2813870400. Its totient is φ = 1400538288.

The previous prime is 2105605109. The next prime is 2105605129. The reversal of 2105605113 is 3115065012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2105605113 - 2² = 2105605109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2105605153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798078 + ... + 800711.

It is an arithmetic number, because the mean of its divisors is an integer number (351733800).

Almost surely, 2^2105605113 is an apocalyptic number.

It is an amenable number.

2105605113 is a deficient number, since it is larger than the sum of its proper divisors (708265287).

2105605113 is a wasteful number, since it uses less digits than its factorization.

2105605113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599231.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2105605113 is about 45886.8729921750. The cubic root of 2105605113 is about 1281.7174847167.

The spelling of 2105605113 in words is "two billion, one hundred five million, six hundred five thousand, one hundred thirteen".